Question

Two hundred trout were tagged and then released into a pond. Later 60 trout were caught and examined, and 8 of the 60 trout were found to have tags. Estimate the number of trout in the pond.

Answer 1

(tagged/total) = (8/60)= 200 / x

2/15 = 200/x

1/15 = 100/x

x = 1500